Compatibility Summary for Real-Time Workshop® Software :: Real-Time Workshop® Release Notes (Real-Time Workshop®)

Real-Time Workshop® Release Notes – Compatibility Summary

Version 4.0 (R12) Real-Time Workshop® Software

Compatibility Summary for Real-Time Workshop^® Software

This table summarizes new features and changes that might cause incompatibilities when you upgrade from an earlier version, or when you use files on multiple versions. Details are provided in the description of the new feature or change.

Version (Release)	New Features and Changes with Version Compatibility Impact
Latest Version V7.1 (R2008a)	See the Compatibility Considerations subheading for each of these new features or changes: emlc Searches Directories in Different Order Generated Code No Longer Automatically Includes math.h Header File
V7.0 (R2007b)	See the Compatibility Considerations subheading for each of these new features or changes: Code Generation from Embedded MATLAB™ Algorithms That Span Multiple M-Files New Configuration Parameters for Controlling Compiler Optimization Level and Specifying Custom Optimization Settings Real-Time Workshop^® Reserved Keywords Listed in Documentation Template Makefile Token ADD_MDL_NAME_TO_GLOBALS Removed Nonzero Start Time Behavior Change TLC Custom Code Library Function Behavior Changes Template Makefile MAKECMD Path Change for gmake on Microsoft^® Windows^®
V6.6.1 (R2007a+)	None
V6.6 (R2007a)	See the Compatibility Considerations subheading for this new feature or change: New sl_customization Based Method for Registering External Mode Transport Layers
V6.5 (R2006b)	See the Compatibility Considerations subheading for each of these new features or changes: Code Formatting Consistency Improvements Change to Default Settings for Multitasking Diagnostic Options Parameter Pooling Is Now Always Enabled
V6.4.1 (R2006a+)	None
V6.4 (R2006a)	See the Compatibility Considerations subheading for each of these new features or changes: Format Enhancements for model.rtw File Changes to TLC Files in matlabroot/rtw/c/tlc
V6.3 (R14SP3)	See the Compatibility Considerations subheading for each of these new features or changes: Customizations to Built-In Blocks Use slbuild Instead of rtwgen Model Hardware Configuration Parameters Now Honor Device Type Restrictions rem Function No Longer Supports Tunable Arguments
V6.2.1 (R14SP2+)	None
V6.2 (R14SP2)	None
V6.1 (R14SP1)	None
V6.0 (R14)	See the Compatibility Considerations subheading for each of these new features or changes: Support for New Simulink^® Model Referencing (Model Block) Feature New C-API for Accessing Model Block Outputs and Parameter Data Back-Propagating Auto, Test-pointed Signal Labels Through Subsystem Output Ports Declaring Wide Signals, States, and Parameters as ImportedExternPointer External Mode Changes May Impact Customized Makefiles and Static Main files Upgrading Custom Transport Layers for External Mode to Single-Channel Architecture Preventing User Source Code from Being Deleted from Build Directories Hook Files Describing Hardware Characteristics No Longer Supported New Asynchronous Block Library Symbol Formatting Options Replaced Global Data Structure Identifiers for Targets Now Incorporate Model Name Hardware Configuration Parameters Defining and Displaying Custom Target Options New SelectCallback Function for System Target Files Shared Utilities Directory and the Build Process Tornado Target Requires Macro in Template Make File Custom Storage Classes Can No Longer Be Used with GRT Targets Accessing the Number of Sample Times from TLC for Custom Targets TLCFILES Built-In Now Returns Full Path to Model File Rather Than Relative Path
V5.1.1 (R13SP1+)	See the Compatibility Considerations subheading for this new feature or change: Error Resulting from Inaccessible Signal Reporting No Longer Reported
V5.1 (R13SP1)	None
V5.0.1 (R13+)	None
V5.0 (R13)	See the Compatibility Considerations subheading for each of these new features or changes: Comments Not Generated for Reduced Blocks When "Show eliminated statements" Is Off Code for Nonvirtual Subsystems Is Now Reusable Packaging of Generated Code Files Simplified Different Required Files for S-Function Deployment Most Targets Use rtModel Instead of Root SimStruct Hook Files Required for Communicating Target-specific Word Characteristics Code Generation Unified for Real-Time Workshop^® and Stateflow^® Products Conditional Input Branch Execution Optimization model.rtw Changes Efficiency of Code Generated for GRT and GRT-Malloc Targets Improved Logging Code Moved to the Real-Time Workshop^® Library Custom Code Blocks Moved from Simulink^® Library Target Language Compiler Changes
V4.1 (R12+)	See the Compatibility Considerations subheading for each of these new features or changes: Block Reduction Option On by Default Buffer Reuse Code Generation Option Build Directory Validation Target Language Compiler Enhancements RTWInfo Property Changed
V4.0 (R12)	See the Compatibility Considerations subheading for each of these new features or changes: New Real-Time Workshop^® Embedded Coder™ Product Other User Interface Enhancements Support for New Simulink^® Advanced Options Pane Model Parameter Configuration Dialog Box External Mode Enhancements Build Directory Code Optimization Features Nonvirtual Subsystem Code Generation Standard Filename Extensions for Generated Files hilite_system and Code Tracing Column-Major Matrix Ordering S-Function Target MEX-Files Must Be Rebuilt Target Language Compiler Enhancements

Version 4.0 (R12) Real-Time Workshop^® Software